Part Number: 70V27L20PFGI

Manufacturer: Renesas Electronics America Inc


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of 70V27L20PFGI

Datasheet  70V27L20PFGI datasheet
Category Integrated Circuits (ICs)
Family Memory
Manufacturer IDT, Integrated Device Technology Inc
Packaging Tray
Part Status Active
Format – Memory RAM
Memory Type SRAM – Dual Port, Asynchronous
Memory Size 512K (32K x 16)
Speed 20ns
Interface Parallel
Voltage – Supply 3 V ~ 3.6 V
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 100-LQFP
Supplier Device Package 100-TQFP (14×14)


The IDT70V27L20PFGI stands out as a powerful 32K x 16 Dual-Port Static RAM in the world of high-speed memory solutions. This adaptable component is a dependable solution for a variety of memory system applications, including independent use and integration as a MASTER/SLAVE Dual-Port RAM in 32-bit and wider word systems. In this detailed tutorial, we’ll look into the IDT 70V27L20PFGI’s essential features, specifications, and applications, providing a thorough grasp of its capabilities and how it might help your projects.

Key Features

The IDT70V27L20PFGI has a number of properties that make it a significant addition to memory system designs:

  • True Dual-Ported Memory: The device features true dual-ported memory cells, which enable simultaneous access to the same memory region. This functionality improves memory operation efficiency in applications that require concurrent data retrieval and storage.
  • High-Speed Access: The IDT 70V27L20PFGI provides high-speed performance with varied access times to meet a variety of needs. The commercial version has access durations ranging from 15ns to 55ns, while the industrial version has access times ranging from 15ns to 35ns, ensuring optimal performance in a variety of situations.
  • Low-Power Operation: With an average active power usage of 500mW, this gadget is extremely energy efficient. It also has a low-power sleep mode, with the IDT70V27L delivering even lower standby power consumption at 660W (typical).
  • Capability for Bus Matching: The separate upper-byte and lower-byte control features enable efficient bus matching, ensuring seamless integration with a variety of data bus widths.
  • On-Chip Port Arbitration Logic: The introduction of port arbitration logic streamlines memory access management, making read and write operations between ports easier to manage.
  • Depth Expansion: The dual chip allows for depth expansion without the use of additional electronics. This facilitates memory system design scalability.
  • Cascade Capability: When cascading several devices, the IDT 70V27L20PFGI can easily increase data bus width to 32 bits or more. The Master/Slave choose functionality guarantees that such arrangements run smoothly.
  • Busy and interrupt flags are included, giving the device a versatile solution for applications requiring status signaling.
  • The IDT70V27L20PFGI provides full on-chip hardware support for semaphore signaling across ports, facilitating communication and coordination inside memory systems.
  • Asynchronous Operation: The device supports completely asynchronous operation from either port, giving you more options for memory access.
  • It uses a single 3.3V (0.3V) power source and is hence compatible with conventional voltage levels.
  • Industrial Temperature Range: For certain speeds, the device is offered in an industrial temperature range (-40°C to +85°C), ensuring reliable operation in severe settings.
  • Environmentally Friendly: Green parts are available, which correspond to environmentally conscious methods.


Because of its dual-port design, high-speed capabilities, and low-power operation, the IDT70V27L20PFGI is well-suited for a wide range of applications. Among the primary application areas are:

  • Data Storage Systems: Because of its dual-port design and quick access times, it is suited for use in data storage systems that require concurrent reading and writing of data.
  • Networking and communication devices benefit from the device’s high-speed performance and asynchronous operation capabilities, allowing for smooth data transfer and processing.
  • Embedded Systems: Its low-power operation and bus matching capability make it an excellent choice for embedded systems that require power efficiency and integration flexibility.
  • Industrial Temperature Range and Robust Performance: The industrial temperature range and robust performance enable reliability in industrial control systems working under harsh environments.
  • Scalability and dual-port architecture of the device are helpful for semiconductor testing equipment that requires high-speed memory access.

Frequently Asked Questions (FAQs) related to the IDT 70V27L20PFGI

● What exactly is the IDT 70V27L20PFGI?

The IDT 70V27L20PFGI is a high-speed 32K x 16 Dual-Port Static RAM that can be utilized as a standalone memory or incorporated into memory systems, allowing for simultaneous read and write operations.

● What are the main characteristics of the IDT 70V27L20PFGI?

True dual-ported memory cells, high-speed access with varied timing options, low-power operation, bus matching capability, on-chip port arbitration logic, dual chip enables depth growth, cascade for data bus expansion, and more are some of the important features.

● What is the IDT 70V27L20PFGI’s power consumption in active and standby modes?

In active mode, the power consumption is normally 500mW, whereas in standby mode, the power consumption is approximately 660W.

● What is the significance of the distinct upper-byte and lower-byte control?

Separate upper-byte and lower-byte control enables effective bus matching, ensuring compatibility with a wide range of data bus widths and making it adaptable to a variety of applications.

● How does memory access benefit from on-chip port arbitration logic?

The on-chip port arbitration logic streamlines memory access management, making read and write operations between ports in a dual-port memory system easier to operate.

● Can I use the IDT 70V27L20PFGI to increase the memory depth?

Yes, the dual chip enable capability permits depth growth without the requirement for extra circuitry, simplifying memory system design scalability.

● How does the IDT 70V27L20PFGI broaden the data bus?

By cascading numerous devices and employing the Master/Slave choose mechanism, the IDT 70V27L20PFGI may easily expand the data bus width to 32 bits or more.

● What are the output and input settings of BUSY?

When M/S = VIH on the Master, the BUSY output flag is enabled, while M/S = VIL on the Slave, allowing flexibility for signaling in various applications.

● What are the Busy and Interrupt Flags used for?

Busy and Interrupt Flags are useful in applications that require status monitoring and signaling. They assist in indicating the status of memory operations.

● What exactly is LVTTL compatibility, and why is it significant?

The IDT 70V27L20PFGI is LVTTL (Low Voltage Transistor-Transistor Logic) compatible, which means it can communicate with other components and systems that use this logic standard.

● What kind of power supply is required by the IDT 70V27L20PFGI?

The device is powered by a single 3.3V (0.3V) power source, which is a standard voltage level in many electronic systems.

● What are the packing options for the IDT 70V27L20PFGI?

The IDT 70V27L20PFGI is available in a 100-pin Thin Quad Flatpack (TQFP) package, which is a small and compact form factor.

● Is the IDT 70V27L20PFGI appropriate for usage in industrial settings?

Yes, for chosen speeds, the device is available in an industrial temperature range (-40°C to +85°C), making it ideal for use in difficult industrial environments.

In Conclusion

The IDT70V27L20PFGI is a high-speed 32K x 16 Dual-Port Static RAM with a plethora of characteristics that cater to a wide range of memory system applications. Its dual-port design, high-speed access, low-power operation, and versatility make it an excellent choice for designers looking for dependable memory solutions. The IDT 70V27L20PFGI has the features and performance to match your demands whether you’re working on data storage systems, networking equipment, embedded systems, industrial control, or semiconductor testing.

It is critical to select the correct memory component for your individual project requirements in order to achieve the best outcomes. The IDT70V27L20PFGI is a strong candidate for your memory system demands, with its variety of features and ensuring full-speed, versatility, error-free operation without the need for extra discrete logic. Connect with us at ICRFQ, a major electronic component distributor in China, to learn more about its capabilities and secure your supply. We are committed to supplying you with high-quality items at a reasonable price.

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